1022043401 has 4 divisors (see below), whose sum is σ = 1023465600. Its totient is φ = 1020621204.

The previous prime is 1022043329. The next prime is 1022043409. The reversal of 1022043401 is 1043402201.

1022043401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1043402201 = 311 ⋅3354991.

It is a cyclic number.

It is not a de Polignac number, because 1022043401 - 2¹⁰ = 1022042377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1022043401.

It is not an unprimeable number, because it can be changed into a prime (1022043409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 710021 + ... + 711458.

It is an arithmetic number, because the mean of its divisors is an integer number (255866400).

Almost surely, 2^1022043401 is an apocalyptic number.

It is an amenable number.

1022043401 is a deficient number, since it is larger than the sum of its proper divisors (1422199).

1022043401 is an equidigital number, since it uses as much as digits as its factorization.

1022043401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422198.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1022043401 is about 31969.4135229284. The cubic root of 1022043401 is about 1007.2944617832.

Adding to 1022043401 its reverse (1043402201), we get a palindrome (2065445602).

It can be divided in two parts, 10220 and 43401, that multiplied together give a triangular number (443558220 = T₂₉₇₈₄).

The spelling of 1022043401 in words is "one billion, twenty-two million, forty-three thousand, four hundred one".